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Shurflo 4128-110-E04 Aqua King II 12V Fresh Water Pump 2 GPM 30 PSI

Manufacturer

Shurflo

<h3>Shurflo: Trusted Water Pump Solutions for Marine and RV Applications</h3> <p>Shurflo, now part of the Pentair family, has built a reputation as one of the most trusted names in water pump technology for marine, recreational vehicle, and industrial applications. For decades, professionals and enthusiasts alike have relied on Shurflo's engineering expertise to deliver consistent, reliable fluid movement in demanding environments. From weekend boaters to full-time RVers, Shurflo pumps provide the dependable performance needed when you're away from shore power and municipal water connections.</p> <p>What sets Shurflo apart is the brand's commitment to efficient design and durable construction. Their pumps utilize demand-initiated automatic operation, which means the pump activates when you open a faucet and shuts off when you close it—conserving battery power and reducing wear. The multi-chamber diaphragm design minimizes pulsation, delivering smooth water flow without the hammering or surging common in lesser pumps. This attention to detail has made Shurflo the go-to choice for boat builders, RV manufacturers, and aftermarket upgraders who demand quality.</p> <h3>Marine Pumping Solutions</h3> <p>On the water, Shurflo products keep boats clean and fish healthy. The brand's <a href="/7568-shurflo-wash-down-pumps-systems-201156">wash down pumps and systems</a> deliver the high-pressure spray needed to rinse decks, clean fish, and remove salt residue after a day on the ocean. These compact, self-priming pumps can run dry without damage and handle the corrosive marine environment with ease. For anglers, <a href="/7568-shurflo-livewell-aerator-pumps-200624">livewell and aerator pumps</a> ensure baitfish and tournament catches stay lively by maintaining proper water circulation and oxygenation in livewells and baitwells.</p> <h3>RV and Mobile Water Systems</h3> <p>In recreational vehicles and mobile applications, fresh water delivery is essential for comfort and convenience. Shurflo's <a href="/7568-shurflo-water-pressure-system-pumps-201165">water pressure system pumps</a> bring household-quality water pressure to RVs, campers, and off-grid cabins, automatically maintaining consistent flow from sinks, showers, and appliances. Paired with quality <a href="/7568-shurflo-water-inlets-pressure-regulators-201163">water inlets and pressure regulators</a>, these systems protect against overpressure damage while ensuring safe, controlled water delivery whether you're connected to campground hookups or running from your freshwater tank.</p> <p>Shurflo's engineering philosophy centers on low amp draw, quiet operation, and long service life—critical factors when you're dependent on battery power or limited electrical capacity. The brand's pumps feature built-in thermal protection and check valves to prevent backflow, and many models offer tool-free maintenance for quick diaphragm or valve replacement in the field. Whether you're outfitting a new vessel, upgrading an aging RV system, or replacing a failed pump, Shurflo delivers proven technology backed by decades of refinement in real-world conditions.</p>

Part Number

4128-110-E04
06/01/2036 7:03 AM
Sale Price

$122.58

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Shurflo 4128-110-E04 Aqua King II is a high-performance 12-volt automatic fresh water pump designed specifically for demanding marine, RV, and mobile applications. With a 2 gallon per minute flow rate and 30 PSI maximum pressure, this pump delivers consistent water pressure for onboard sinks, showers, and fresh water systems.

Key Features:

  • Four-chamber diaphragm design provides smooth, pulse-free flow at all demand levels without rapid cycling
  • Automatic demand switch activates pump when water is needed and shuts off when faucet closes
  • Dry self-priming up to 6 feet vertical lift for flexible installation
  • Can run dry without damage thanks to thermal overload protection and sealed motor design
  • Sealed pressure switch and motor housing engineered for harsh marine environments with moisture resistance
  • Draws only 3.5 amps for efficient power consumption
  • Compact dimensions: 8 1/8" L x 5" W x 4 1/8" H for easy mounting in tight spaces
  • Built-in check valve prevents backflow
  • Santoprene valves for long service life and chemical resistance

The Aqua King II pump is ideal for boats, RVs, campers, and other mobile applications requiring reliable fresh water delivery. The sealed motor and corrosion-resistant construction ensure years of dependable service in demanding environments.

Products specifications

Amperage

4 Amps at 12 Volts DC

Capacity

2 Gallons per Minute

Diameter

1/2"

Dimensions

4 1/8" Height x 5" Width x 8 3/16" Length

Voltage

12 Volts DC

Activation Method

Automatic

Warranty Details

Three Years

The experience was wonderful. The ability to look up parts by the make, model, and year of my auto made it easy to find the right part. And getting a discount on shipping to encourage my purchase was awesome. I hope the parts all are correct for my vehicl

Was easy to find the correct parts.

Amazing shipping and low prices

easy and fast shopping.

Thanks

great. couple clicks on mouse and wham! its ordered.

Cannot say enough about how honest these guys are. My order went through without a hitch. Would definitely recommend doing business with them.

Awsome :)

Quick and easy

For some reason, the system tried to use my email address and phone number.

I have no comment right now. 1st timer

so far good

The listing seemed clear and informative. So far so good ;)

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